Caple C702G Instrukcja Obsługi Pobierz pdf (Strona 103)

100

101

7-15

5-6. Distortion Correction Circuit

Check whether the distortion on the screen varies by OSD

distortion correction control (SIDEPIN) or not ?

Check the waveform at CN-DSB pin 11 is present.

Check the waveform at IC511 pin 5.

Check the waveform at C519.

IC511 or its ambient circuit failure.

IC501, R526 or C519 failure.

･IC501, R544 or C524 failure.

･Digital control circuit failure (see item 12)

Check the waveform at IC5GA pin 3.

IC5A1, Q5A1 or their ambient circuit failure.

IC5GA or its ambient circuit failure.

H OSC/DEF/HV circuit failure. (see item 6 )

Sidepin +

Check whether the distortion on the screen varies by OSD

distortion correction control (TILT) or not ?

IC511 or its ambient circuit failure.

Sidepin -

pprox. 0.5Vp-p when TILT

control is min. condition.

vertical period

pprox.0.5Vp-p.

vertical period

TILT min.

TILT max.

vertical period

pprox.0.5Vp-p.

1 2 ... 98 99 100 101 102 103 104 105 106 107 108 ... 285 286

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